<template>
  <div class="xtx-goods-page" v-if="goods">
    <div class="container">
      <!-- 面包屑 -->
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem :to="'/category/' + goods.categories[0].id">{{
          goods.categories[0].name
        }}</XtxBreadItem>
        <XtxBreadItem :to="'/category/sub/' + goods.categories[1].id">{{
          goods.categories[1].name
        }}</XtxBreadItem>
        <XtxBreadItem>{{ goods.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 商品信息 -->
      <!-- 商品信息 -->
      <div class="goods-info">
        <div class="media">
          <GoodsImage :images="goods.mainPictures"></GoodsImage>
          <GoodsSales />
        </div>
        <div class="spec">
          <!-- 名字区组件 -->
          <GoodsName :goods="goods" />
          <!-- 规格组件 -->
          <GoodsSku
            :goods="goods"
            @change="changeSku"
            skuId="1369155864430120962"
          />
          <XtxNumbox label="数量" v-model="num" :max="goods.inventory" />
          <XtxButton
            @click="insertCart()"
            style="margin-top: 20px"
            type="primary"
            >加入购物车</XtxButton
          >
        </div>
      </div>
      <!-- 商品推荐 -->
      <GoodsRelevant :goodsId="goods.id" />
      <!-- 商品详情 -->
      <div class="goods-footer">
        <div class="goods-article">
          <!-- 商品+评价 -->
          <GoodsTabs></GoodsTabs>
          <!-- 注意事项 -->
          <GoodsWarn></GoodsWarn>
        </div>
        <!-- 24热榜+专题推荐 -->
        <div class="goods-aside">
          <GoodsHot :type="1"></GoodsHot>
          <GoodsHot :type="2"></GoodsHot>
        </div>
      </div>
    </div>
  </div>
</template>

  
<script>
import { findGoods } from "@/api/product";
import { useRoute } from "vue-router";
import { nextTick, provide, ref, watch } from "vue";
import GoodsRelevant from "./components/goods-relevant";
import GoodsImage from "./components/goods-image";
import GoodsSales from "./components/goods-sales";
import GoodsName from "./components/goods-name";
import GoodsSku from "./components/goods-sku";
import GoodsTabs from "./components/goods-tabs";
import GoodsHot from "./components/goods-hot";
import GoodsWarn from "./components/goods-warn";
import {useStore} from 'vuex'
import  Message from '@/components/library/Message'
export default {
  name: "XtxGoodsPage",
  components: {
    GoodsRelevant,
    GoodsImage,
    GoodsSales,
    GoodsName,
    GoodsSku,
    GoodsTabs,
    GoodsHot,
    GoodsWarn,
  },
  setup(props) {
    // 1，获取数据
    const goods = useGoods();
    const changeSku = (sku) => {
      if (sku.skuId) {
        goods.value.price = sku.price;
        goods.value.oldPrice = sku.oldPrice;
        goods.value.inventory = sku.inventory;
      }
      currSku.value=sku
    };
    // 选择的数量
    const num = ref(1);
    // 提供goods数据给后代组件使用
    provide("goods", goods);
    // 加入购物车
    const store =useStore()
    const currSku=ref(null)
    const insertCart=()=>{
      console.log(currSku.value);
      if(currSku.value && currSku.value.skuId){
        store.dispatch('cart/insertCart', {
          id: goods.value.id,
          skuId: currSku.value.skuId,
          name: goods.value.name,
          picture: goods.value.mainPictures[0],
          price: currSku.value.price,
          nowPrice: currSku.value.price,
          count: num.value,
          attrsText: currSku.value.specsText,
          selected: true,
          isEffective: true,
          stock: currSku.value.inventory
        }).then(()=>{
          Message({text:'添加购物车成功'})
     
        })
      }else{
        Message({text:'请选择完整规格'})
      }
      
    }
    return { goods, changeSku, num,insertCart };
  },
};
// 获取商品详情 setup代码抽离
// 获取商品详情
const useGoods = () => {
  // 出现路由地址商品ID发生变化，但是不会重新初始化组件
  const goods = ref(null);
  const route = useRoute();
  watch(
    () => route.params.id,
    (newVal) => {
      // 多加的判断
      if (newVal && `/product/${newVal}` === route.path) {
        findGoods(route.params.id).then((data) => {
          // 让商品数据为null让后使用v-if的组件可以重新销毁和创建
          goods.value = null;
          nextTick(() => {
            goods.value = data.result;
          });
        });
      }
    },
    { immediate: true }
  );
  return goods;
};
</script>

  
<style lang="less" scoped>
.goods-info {
  min-height: 600px;
  background: #fff;
}

.goods-footer {
  display: flex;
  margin-top: 20px;

  .goods-article {
    width: 940px;
    margin-right: 20px;
  }

  .goods-aside {
    width: 280px;
    min-height: 1000px;
  }
}

// .goods-tabs {
//   min-height: 600px;
//   background: #fff;
// }

.goods-warn {
  min-height: 600px;
  background: #fff;
  margin-top: 20px;
}
.goods-info {
  min-height: 600px;
  background: #fff;
  display: flex;
  .media {
    width: 580px;
    height: 600px;
    padding: 30px 50px;
  }
  .spec {
    flex: 1;
    padding: 30px 30px 30px 0;
  }
}
</style>
